情态动词的用法归纳及顺口溜 谁有情态动词的用法口诀,记住是口决

高考英语更新时间:2021-11-20 13:12:42作者:文/招生网关注度:

情态动词的用法口诀 zcZ高三网

情态动词can、may、must表示语气和情态,人称与数无变化,动词原形跟着它。 情态动词两要点:动词原形跟后面,说话语气较委婉。cab表“能力”,may表“许可”,must表“责任”或“义务”,否定回答needn't换,"需要”need,dare“敢”。should“应该”,would...zcZ高三网

情态动词的用法归纳及顺口溜zcZ高三网

情态动词的用法归纳及顺口溜

情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。情态动词无人称和数的变化,不能单独使用。
zcZ高三网

英语情态动词用法顺口溜

情态动词要记牢;动词原形来跟梢。zcZ高三网

不管人称单复数;现在过去乐逍遥。zcZ高三网

can表能力和许可;也许可能may来表;zcZ高三网

必须一定must;should应该来报到。zcZ高三网

英语情态动词用法顺口溜zcZ高三网

回答不须needn’t;mustn’t为不必要。zcZ高三网

否定只要接not;疑问赶紧往前跑。zcZ高三网

情态动词的基本用法有哪些

一、 can, couldzcZ高三网

1) 表示能力(体力、知识、技能)。zcZ高三网

Can you lift this heavy box?(体力)zcZ高三网

Mary can speak three languages.(知识)zcZ高三网

Can you skate?(技能)zcZ高三网

此时可用be able to代替。Can只有一般现在时和一般过去式;而be able to则有更多的时态。zcZ高三网

I’ll not be able to come this afternoon.zcZ高三网

当表示“经过努力才得以做成功某事”时应用be able to,不能用Can。如:zcZ高三网

He was able to go to the party yesterday evening in spite of the heavy rain.zcZ高三网

2) 表示请求和允许。zcZ高三网

-----Can I go now?zcZ高三网

----- Yes, you can. / No, you can’t.zcZ高三网

此时可与may互换。在疑问句中还可用could,might代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中。zcZ高三网

---- Could I come to see you tomorrow?zcZ高三网

---- Yes, you can. ( No, I’m afraid not. )zcZ高三网

3) 表示客观可能性(客观原因形成的能力)。zcZ高三网

They’ve changed the timetable, so we can go by bus instead.zcZ高三网

This hall can hold 500 people at least.zcZ高三网

4) 表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。zcZ高三网

Can this be true?zcZ高三网

This can’t be done by him.zcZ高三网

How can this be true?zcZ高三网

二、 may, mightzcZ高三网

1) 表示请求和允许。might比 may语气更委婉,而不是过去式。否定回答时可用can’t或mustn’t,表示“不可以,禁止”。zcZ高三网

----Might/ May I smoke in this room?zcZ高三网

---- No, you mustn’t.zcZ高三网

---- May/Might I take this book out of the room?zcZ高三网

---- Yes, you can. (No, you can’t / mustn’t. )zcZ高三网

用May I...?征徇对方许可时比较正式和客气,而用Can I...?在口语中更常见。zcZ高三网

2)用于祈使句,表示祝愿。zcZ高三网

May you succeed!zcZ高三网

3) 表示推测、可能性(不用于疑问句)。zcZ高三网

might不是过去式,它所表示的可能性比may小。zcZ高三网

1.He may /might be very busy now.zcZ高三网

2.Your mother may /might not know the truth.zcZ高三网

三、 must, have tozcZ高三网

1) 表示必须、必要。zcZ高三网

You must come in time.zcZ高三网

在回答引出的问句时,如果是否定的,不能用mustn’t(禁止,不准),而用needn’t, don’t have to(不必).zcZ高三网

---- Must we hand in our exercise books today?zcZ高三网

---- Yes, you must.zcZ高三网

---- No, you don’t have to / you needn’t.zcZ高三网

2) must是说话人的主观看法, 而have to则强调客观需要。Must只有一般现在时, have to 有更多的时态形式。zcZ高三网

1. he play isn’t interesting, I really must go now.zcZ高三网

2. I had to work when I was your age.zcZ高三网

3) 表示推测、可能性(只用于肯定的陈述句)zcZ高三网

1. You’re Tom’s good friend, so you must know what he likes best.zcZ高三网

2. Your mother must be waiting for you now.zcZ高三网

四、 dare, needzcZ高三网

1) dare作情态动词用时, 常用于疑问句、否定句和条件从句中, 过去式形式为dared。zcZ高三网

1. How dare you say I’m unfair?zcZ高三网

2. He daren’t speak English before such a crowd, dare he?zcZ高三网

3. If we dared not go there that day, we couldn’t get the beautiful flowers.zcZ高三网

2) need 作情态动词用时, 常用于疑问句、否定句。在肯定句中一般用must, have to, ought to, should代替。zcZ高三网

1.You needn’t come so early.zcZ高三网

2. ---- Need I finish the work today?zcZ高三网

---- Yes, you must. / No, you needn’t.zcZ高三网

3) dare和 need作实义动词用时, 有人称、时态和数的变化。在肯定句中,dare后面常接带to的不定式。在疑问句和否定句中,dare后面可接带to或不带to的不定式。而need后面只能接带to的不定式。zcZ高三网

1. I dare to swim across this river.zcZ高三网

2. He doesn’t dare (to) answer.zcZ高三网

3. He needs to finish his homework today.zcZ高三网

五、 shall, shouldzcZ高三网

1) shall 用于第一人称,征求对方的意见。zcZ高三网

What shall we do this evening?zcZ高三网

2) shall 用于第二、三人称,表示说话人给对方的命令、警告、允诺或威胁。zcZ高三网

1. You shall fail if you don’t work hard.(警告)zcZ高三网

2. He shall have the book when I finish it.(允诺)zcZ高三网

3. He shall be punished.(威胁)zcZ高三网

六、 will, wouldzcZ高三网

1) 表示请求、建议等,would更委婉。zcZ高三网

Will / Would you pass me the ball, please?zcZ高三网

2) 表示意志、愿望和决心。zcZ高三网

1. I will never do that again.zcZ高三网

2. They asked him if he would go abroad.zcZ高三网

3) would表示过去反复发生的动作或某种倾向。would表示过去习惯时比used to正式,且没有“现已无此习惯”的含义。zcZ高三网

1. During the vacation, he would visit me every other day.zcZ高三网

2. The wound would not heal.zcZ高三网

4) 表示估计和猜想。zcZ高三网

It would be about ten o’clock when she left home.zcZ高三网

七、 should, ought tozcZ高三网

1) should, ought to表示“应该”,ought to表示义务或责任,比should语气重。zcZ高三网

1. I should help her because she is in trouble.zcZ高三网

2. You ought to take care of the baby.zcZ高三网

2) 表示劝告、建议和命令。should, ought to可通用,但在疑问句中常用should。zcZ高三网

1. You should / ought to go to class right away.zcZ高三网

2. Should I open the window?zcZ高三网

3) 表示推测zcZ高三网

should , ought to (客观推测), must(主观推测)。zcZ高三网

1.He must be home by now. (断定他已到家)zcZ高三网

2.He ought to/should be home by now.(不太肯定)zcZ高三网

3. This is where the oil must be.(直爽)zcZ高三网

4. This is where the oil ought to/should be.(含蓄)zcZ高三网

八、 情态动词+不定式完成式(have done)zcZ高三网

1) can / could + have done在肯定句中表示“本来可以做而实际上能做某事”,是虚拟语气;在疑问句或否定句中表示对过去行为的怀疑或不肯定, 表示推测。zcZ高三网

1. You could have done better, but you didn’t try your best. (虚拟语气)zcZ高三网

2. He can’t have been to that town.(推测)zcZ高三网

3. Can he have got the book?(推测)zcZ高三网

2) may / might +不定式完成式(have done)zcZ高三网

表示对过去行为的推测。不能用于疑问句中,没有虚拟语气的用法。Might所表示的可能性比may小。zcZ高三网

1. He may not have finished the work .zcZ高三网

2. If we had taken the other road, we might have arrived earlier.zcZ高三网

3)must +不定式完成式(have done)zcZ高三网

用于肯定句中,表示对过去行为的推测。意为“一定、想必”。其疑问、否定形式用can,can’t代替。参看1) can / could + have done表示推测。zcZ高三网

1. You must have seen the film Titanic.zcZ高三网

2. He must have been to Shanghai.zcZ高三网

4)should +不定式完成式(have done)zcZ高三网

用于肯定句中,表示对过去行为的推测。zcZ高三网

He should have finished the work by now。zcZ高三网

表示“本应该做而实际上没有做某事”,其否定式表示某种行为本不该发生却发生了。可以与ought to +不定式完成式(have done)互换。zcZ高三网

1. You ought to / should have helped him. (but you didn’t.)zcZ高三网

2. She shouldn’t have taken away my measuring tape, for I wanted to use it.zcZ高三网

5) needn’t +不定式完成式(have done)zcZ高三网

表示“本来不必做而实际上做了某事”。zcZ高三网

You needn’t have watered the flowers, for it is going to rain.zcZ高三网

6) will +不定式完成式(have done)zcZ高三网

主要用于第二、三人称,表示对已完成的动作或事态的推测。zcZ高三网

He will have arrived by now.zcZ高三网

谁有情态动词的用法口诀,记住是口决

记句子,比口诀好使,句子包括了用法和各种搭配:时太,语态、单复数等。只记口诀到实际用时还要考虑上面说的那些搭配。2011-08-29回答者:zymallein3个回答1a,type:normal" data-rank="89:568106018">情态动词的用法口诀更多...zcZ高三网

标签: 情态动词的用法归纳 高中英语语法

为您推荐

加载中...

最新文章